Which LEGO Primo sets are the most valuable?

The LEGO 2007 - Singing Camel (1 pieces) is the most valuable LEGO Primo set. This set was released in 1998 with an MSRP of $13.

LEGO 2007 - Singing Camel is currently valued at 79.9661 which is a 515.12% gain.

Other Valuable LEGO Primo sets

Missing out on the LEGO Singing Camel? If you have these LEGO Primo sets, you could still make a decent profit.

Set NameMSRPYearLatest Market ValueGain
22003 - Jumbo Building Bag$201997$68.97244.86%
32017 - Choo Choo Train$201998$59.79198.93%
42018 - Little Brother Stack 'n' Learn Set$151998$44.00193.33%
52107 - Turtle Wagon$251999$70.00180.00%